Every Tuesday we answer one of your curious, ponderous questions about why life is the way it is.
Today's Shower Thought comes courtesy of listener Fred, who asks: "How did the world agree what time it is?"
To answer, Emile Donovan is joined by New Zealand's resident 'time lord', Adam Dunford from the Measurement Standards Laboratory of New Zealand.
Photo: RNZ / Marika Khabazi
